Rank	Countries/Territories	Count	Percent
1	United States	290	35.8%
2	China	223	27.5%
3	Germany	83	10.2%
4	France	54	6.7%
5	Japan	21	2.6%
6	India	20	2.5%
7	Switzerland	20	2.5%
8	Canada	19	2.3%
9	Australia	10	1.2%
10	Singapore	8	1%
11	Netherlands	7	0.9%
12	Thailand	6	0.7%
13	Cyprus	6	0.7%
14	Iran, Islamic Republic of	6	0.7%
15	Taiwan	4	0.5%
16	Portugal	3	0.4%
17	Korea, Republic of	3	0.4%
18	Sweden	3	0.4%
19	Hong Kong	3	0.4%
20	Indonesia	2	0.2%
21	Kenya	2	0.2%
22	Chile	2	0.2%
23	Brazil	2	0.2%
24	South Africa	2	0.2%
25	Malaysia	2	0.2%
26	Mexico	2	0.2%
27	Syrian Arab Republic	2	0.2%
28	Ukraine	1	0.1%
29	Russia	1	0.1%
30	Argentina	1	0.1%
31	Austria	1	0.1%
32	Ireland	1	0.1%