Rank	Countries/Territories	Count	Percent
1	United States	199	27.9%
2	China	188	26.3%
3	India	142	19.9%
4	Germany	42	5.9%
5	Russia	31	4.3%
6	Netherlands	17	2.4%
7	Latvia	16	2.2%
8	Japan	10	1.4%
9	Korea, Republic of	9	1.3%
10	Israel	7	1%
11	Taiwan	6	0.8%
12	Turkey	4	0.6%
13	Ukraine	4	0.6%
14	Pakistan	4	0.6%
15	Sweden	4	0.6%
16	Ireland	4	0.6%
17	Brazil	4	0.6%
18	Canada	3	0.4%
19	United Kingdom	3	0.4%
20	Romania	2	0.3%
21	Slovakia	2	0.3%
22	Switzerland	2	0.3%
23	Belgium	2	0.3%
24	Greece	2	0.3%
25	France	2	0.3%
26	Norway	2	0.3%
27	Cyprus	1	0.1%
28	Australia	1	0.1%
29	South Africa	1	0.1%