Rank	Countries/Territories	Count	Percent
1	United States	234	37.1%
2	China	170	27%
3	Germany	99	15.7%
4	India	15	2.4%
5	France	15	2.4%
6	Japan	13	2.1%
7	Korea, Republic of	12	1.9%
8	Singapore	9	1.4%
9	South Africa	9	1.4%
10	United Kingdom	7	1.1%
11	Australia	5	0.8%
12	Belgium	5	0.8%
13	Netherlands	4	0.6%
14	Ghana	3	0.5%
15	Cyprus	3	0.5%
16	Indonesia	3	0.5%
17	Israel	2	0.3%
18	Italy	2	0.3%
19	Latvia	2	0.3%
20	Egypt	2	0.3%
21	Canada	2	0.3%
22	Congo	2	0.3%
23	Pakistan	2	0.3%
24	Sweden	2	0.3%
25	Switzerland	2	0.3%
26	Taiwan	1	0.2%
27	Tanzania, United Republic of	1	0.2%
28	Thailand	1	0.2%
29	Ukraine	1	0.2%
30	Senegal	1	0.2%
31	Kenya	1	0.2%