Rank	Countries/Territories	Count	Percent
1	United States	198	26.1%
2	China	174	22.9%
3	Canada	84	11.1%
4	Germany	64	8.4%
5	Korea, Republic of	30	4%
6	Japan	26	3.4%
7	Brazil	22	2.9%
8	India	18	2.4%
9	United Kingdom	16	2.1%
10	Spain	11	1.4%
11	Netherlands	10	1.3%
12	Singapore	9	1.2%
13	Czech Republic	9	1.2%
14	France	8	1.1%
15	Hong Kong	8	1.1%
16	Belgium	7	0.9%
17	Cyprus	7	0.9%
18	Norway	6	0.8%
19	Greece	5	0.7%
20	Russia	4	0.5%
21	Saudi Arabia	4	0.5%
22	Mexico	4	0.5%
23	Taiwan	4	0.5%
24	South Africa	3	0.4%
25	Israel	3	0.4%
26	Italy	3	0.4%
27	Iran, Islamic Republic of	3	0.4%
28	Australia	3	0.4%
29	Colombia	2	0.3%
30	Poland	2	0.3%
31	Romania	2	0.3%
32	Malaysia	2	0.3%
33	Sweden	2	0.3%
34	Switzerland	2	0.3%
35	Sri Lanka	1	0.1%
36	Austria	1	0.1%
37	Ireland	1	0.1%
38	Indonesia	1	0.1%