Variable Obs Mean Std. Dev. Min Max country_id 252 14.5 8.094 1 28 year 252 2007 2.587 2003 2011 mod_sh_pas 252 0.0634 0.034 0.007 0.179 mod_sh_freight 251 0.2199 0.164 0.006 0.725 pass_km 207 14783.2 22770.520 193 93918 tonnes_km 238 15738.53 20834.810 79 115652 vertical_separation 252 0.515873 0.501 0 1 gdpcapita 252 2.45E+04 16667.850 2600 80300 population 252 1.82E+07 22300000 448300 8.25E+07 d_population 252 0.0025733 0.008 -0.02845 0.031359 log_gdpcapita 252 9.844645 0.7739397 7.863267 11.29352 log_pass_km 207 8.497741 1.617849 5.26269 11.45018 log_tonnes_km 238 8.909399 1.445568 4.369448 11.65834 _Iyear_2004 252 0.1111111 0.3148951 0 1 _Iyear_2005 252 0.1111111 0.3148951 0 1 _Iyear_2006 252 0.1111111 0.3148951 0 1 _Iyear_2007 252 0.1111111 0.3148951 0 1 _Iyear_2008 252 0.1111111 0.3148951 0 1 _Iyear_2009 252 0.1111111 0.3148951 0 1 _Iyear_2010 252 0.1111111 0.3148951 0 1 _Iyear_2011 252 0.1111111 0.3148951 0 1
Variable Obs Mean Std. Dev. Min Max country_id 252 14.5 8.094 1 28 year 252 2007 2.587 2003 2011 mod_sh_pas 252 0.0634 0.034 0.007 0.179 mod_sh_freight 251 0.2199 0.164 0.006 0.725 pass_km 207 14783.2 22770.520 193 93918 tonnes_km 238 15738.53 20834.810 79 115652 vertical_separation 252 0.515873 0.501 0 1 gdpcapita 252 2.45E+04 16667.850 2600 80300 population 252 1.82E+07 22300000 448300 8.25E+07 d_population 252 0.0025733 0.008 -0.02845 0.031359 log_gdpcapita 252 9.844645 0.7739397 7.863267 11.29352 log_pass_km 207 8.497741 1.617849 5.26269 11.45018 log_tonnes_km 238 8.909399 1.445568 4.369448 11.65834 _Iyear_2004 252 0.1111111 0.3148951 0 1 _Iyear_2005 252 0.1111111 0.3148951 0 1 _Iyear_2006 252 0.1111111 0.3148951 0 1 _Iyear_2007 252 0.1111111 0.3148951 0 1 _Iyear_2008 252 0.1111111 0.3148951 0 1 _Iyear_2009 252 0.1111111 0.3148951 0 1 _Iyear_2010 252 0.1111111 0.3148951 0 1 _Iyear_2011 252 0.1111111 0.3148951 0 1