what are the number of athletes?
16
col : rank | athlete | ski time | penalties\np+s+p+s | total row 1 :  | zhang qing (chn) | 59:53.2 | 1+1+0+1 | 1:02:53.2 row 2 :  | dmitriy pozdnyakov (kaz | 1:01:01.0 | 0+2+0+0 | 1:03:01.0 row 3 :  | dmitriy pantov (kaz) | 59:24.8 | 1+2+0+1 | 1:03:24.8 row 4 : 4 | hideki yamamoto (jpn) | 1:02:55.5 | 0+1+3+0 | 1:06:55.5 row 5 : 5 | qiu lianhai (chn) | 1:03:18.9 | 1+1+0+2 | 1:07:18.9 row 6 : 6 | shin byung-gook (kor) | 1:02:49.3 | 1+2+1+1 | 1:07:49.3 row 7 : 7 | son hae-kwon (kor) | 1:02:58.3 | 1+1+2+1 | 1:07:58.3 row 8 : 8 | wang xin (chn) | 1:04:42.4 | 2+1+1+1 | 1:09:42.4 row 9 : 9 | naoki shindo (jpn) | 1:03:08.5 | 3+1+0+3 | 1:10:08.5 row 10 : 9 | jeon jae-won (kor) | 1:02:08.5 | 2+2+2+2 | 1:10:08.5 row 11 : 11 | alexey karevskiy (kaz) | 1:03:28.8 | 3+1+1+2 | 1:10:28.8 row 12 : 12 | sergey abdukarov (kaz) | 1:05:11.4 | 1+2+1+3 | 1:12:11.4 row 13 : 13 | takashi shindo (jpn) | 1:01:15.0 | 3+3+2+4 | 1:13:15.0 row 14 : 14 | shinji ebisawa (jpn) | 1:04:13.6 | 3+3+1+3 | 1:14:13.6 row 15 : 15 | choi neung-chul (kor) | 1:08:50.6 | 3+2+0+1 | 1:14:50.6 row 16 : 16 | byamba enkh-amgalan (mgl) | 1:15:20.4 | 4+5+2+2 | 1:28:20.4
what are the number of athletes?
Rank Athlete Ski time Penalties\nP+S+P+S Total
Zhang Qing (CHN) 59:53.2 1+1+0+1 1:02:53.2
Dmitriy Pozdnyakov (KAZ) 1:01:01.0 0+2+0+0 1:03:01.0
Dmitriy Pantov (KAZ) 59:24.8 1+2+0+1 1:03:24.8
4 Hideki Yamamoto (JPN) 1:02:55.5 0+1+3+0 1:06:55.5
5 Qiu Lianhai (CHN) 1:03:18.9 1+1+0+2 1:07:18.9
6 Shin Byung-Gook (KOR) 1:02:49.3 1+2+1+1 1:07:49.3
7 Son Hae-Kwon (KOR) 1:02:58.3 1+1+2+1 1:07:58.3
8 Wang Xin (CHN) 1:04:42.4 2+1+1+1 1:09:42.4
9 Naoki Shindo (JPN) 1:03:08.5 3+1+0+3 1:10:08.5
9 Jeon Jae-Won (KOR) 1:02:08.5 2+2+2+2 1:10:08.5
11 Alexey Karevskiy (KAZ) 1:03:28.8 3+1+1+2 1:10:28.8
12 Sergey Abdukarov (KAZ) 1:05:11.4 1+2+1+3 1:12:11.4
13 Takashi Shindo (JPN) 1:01:15.0 3+3+2+4 1:13:15.0
14 Shinji Ebisawa (JPN) 1:04:13.6 3+3+1+3 1:14:13.6
15 Choi Neung-Chul (KOR) 1:08:50.6 3+2+0+1 1:14:50.6
16 Byamba Enkh-Amgalan (MGL) 1:15:20.4 4+5+2+2 1:28:20.4
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