Financial Information by Segment &amp; Geographic Area Segment information The Companys business is organized by its two carbon black product types. For corporate management purposes and all periods presented the Company had Rubber Carbon Black and Specialty Carbon Black as reportable operating segments. Rubber carbon black is used in the reinforcement of rubber in tires and mechanical rubber goods, Specialties are used as pigments and performance additives in coatings, polymers, printing and special applications. The following table shows the relative size of the revenue recognized in each of the Companys reportable segment: 2019 2018 2017 Rubber 66 % 65 % 64 % Specialty 34 % 35 % 36 % The senior management team, which is composed of the CEO, CFO and certain other senior management members is the chief operating decision maker (CODM). The senior management team monitors the operating segments results separately in order to facilitate decisions regarding the allocation of resources and determine the segments performance. Orion uses Adjusted EBITDA as the segments' performance measure. The CODM does not review reportable segment asset or liability information for purposes of assessing performance or allocating resources. Adjustment items are not allocated to the individual segments as they are managed on a group basis. Segment reconciliation for the years ended December 31, 2019, 2018 and 2017: Rubber Specialties Corporate and other Total segments (In thousands) 2019 Net sales from external customers $ 967,899 $ 508,454 $  $ 1,476,353 Adjusted EBITDA $ 145,170 $ 122,167 $  $ 267,337 Corporate charges   (22,916) (22,916) Depreciation and amortization of intangible assets and property, plant and equipment (58,645) (38,067)  (96,713) Excluding equity in earnings of affiliated companies, net of tax (558)   (558) Income from operations before income tax expense and finance costs 85,967 84,100 (22,916) 147,151 Interest and other financial expense, net   (27,572) (27,572) Income tax expense   (33,216) (33,216) Equity in earnings of affiliated companies, net of tax 558   558 Net income $ 86,920 Assets $ 696,516 $ 417,834 $ 143,043 $ 1,257,394 Total expenditures for additions to long-lived assets $ 132,556 $ 26,147 $  $ 158,703 2018 Net sales from external customers $ 1,032,818 $ 545,385 $  $ 1,578,203 Adjusted EBITDA $ 144,887 $ 149,255 $  $ 294,142 Corporate charges   910 910 Depreciation and amortization of intangible assets and property, plant and equipment (57,127) (41,029)  (98,156) Excluding equity in earnings of affiliated companies, net of tax (591)   (591) Income from operations before income tax expense and finance costs 87,169 108,226 910 196,305 Interest and other financial expense, net   (28,642) (28,642) Income tax expense   (46,944) (46,944) Equity in earnings of affiliated companies, net of tax 591   591 Net income $ 121,310 Assets $ 685,243 $ 436,337 $ 151,442 $ 1,273,022 Total expenditures for additions to long-lived assets $ 67,885 $ 43,171 $  $ 111,057 2017 Net sales from external customers $ 849,410 $ 478,887 $  $ 1,328,297 Adjusted EBITDA $ 111,490 $ 145,488 $  $ 256,978 Corporate charges   (20,204) (20,204) Depreciation and amortization of intangible assets and property, plant and equipment (60,403) (37,953)  (98,356) Excluding equity in earnings of affiliated companies, net of tax (547)   (547) Income from operations before income tax expense and finance costs 50,540 107,535 (20,204) 137,871 Interest and other financial expense, net   (44,135) (44,135) Reclassification of actuarial losses from AOCI   (9,687) (9,687) Income tax expense   (19,736) (19,736) Equity in earnings of affiliated companies, net of tax 547   547 Net income $ 64,860 Assets $ 610,782 $ 357,492 $ 196,092 $ 1,164,366 Total expenditures for additions to long-lived assets $ 52,584 $ 46,397 $  $ 98,981 The sales information noted above relates to external customers only. Corporate and other includes income and expense that cannot be directly allocated to the business segments or are managed on corporate level and includes finance income and expenses, taxes and items with less bearing on the underlying core business. Income from operations before income taxes and finance costs of the segment 'Corporate and other' comprises the following: 2019 2018 2017 (In thousands) Restructuring expenses/(income) $ 3,628 $ (24,633) $ 6,492 Consulting fees related to Company strategy 3,005 4,804 2,807 Long Term Incentive Plan 9,438 13,919 8,835 Other non-operating 6,844 5,000 2,070 Expenses/(income) from operations before income taxes and finance costs $ 22,916 $ (910) $ 20,204 Geographic information Net sales Years Ended December 31, 2019 2018 2017 (In thousands) Germany $ 593,769 $ 628,709 $ 524,065 United States 394,349 401,935 330,424 South Korea 241,235 279,016 246,551 Brazil 94,541 95,611 80,143 China 63,149 75,638 64,645 South Africa 54,746 56,373 46,844 Other 23,601 24,293 23,129 Rest of Europe (1) 10,964 16,628 12,496 Total $ 1,476,353 $ 1,578,203 $ 1,328,297 (1) Only a holding company is located in Luxembourg, accordingly no revenue is generated in the country of domicile. Revenue generated for the year ended December 31, 2019 from the largest customer in the Rubber segment amounted to $195.6 million. Revenue from the largest customer in the Rubber segment for the year ended December 31, 2018 was $201.7 million and for the year ended December 31, 2017 revenue from the largest customer in the Rubber segment was $144.4 million, respectively. There is each another customer with more than, or equal to 10% of revenue for the period 2019 and 2018. Long-lived tangible assets (1) December 31 2019 2018 (In thousands) Germany $ 81,388 $ 104,823 Sweden 26,419 26,351 Italy 43,547 29,586 Poland 12,148 12,964 Rest of Europe (2) 6,179 5,815 Subtotal Europe 169,681 179,539 United States 220,200 139,929 South Korea 112,303 115,036 South Africa 15,983 16,894 Brazil 23,662 21,395 China 19,655 10,719 Other 100 22 Total $ 561,585 $ 483,534 (1) Long-lived assets include property. plant and equipment, net. (2) Only a holding company is located in Luxembourg, accordingly no revenue is generated in the country of domicile.