21, United States of America
43, Japan
33, United States of America
496
26, Brazil
24, United States of America
14, Taiwan
21, Great Britain
34, Sweden
25, United States of America
12, United States of America
491
395, United States of America
13, Ukraine
22, Norway
35, United States of America
55, United States of America
7
53, Turkey
30, Australia
444
124
51, United States of America
19, Canada
