Rank	Countries/Territories	Count	Percent
1	United States	510	41.1%
2	China	362	29.1%
3	Germany	140	11.3%
4	France	30	2.4%
5	Korea, Republic of	28	2.3%
6	India	25	2%
7		19	1.5%
8	Belgium	19	1.5%
9	Netherlands	13	1%
10	Singapore	12	1%
11	Canada	10	0.8%
12	Cyprus	9	0.7%
13	Japan	9	0.7%
14	Sweden	8	0.6%
15	Taiwan	8	0.6%
16	Russia	5	0.4%
17	Australia	5	0.4%
18	Switzerland	4	0.3%
19	United Kingdom	3	0.2%
20	Ireland	3	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Italy	2	0.2%
23	Denmark	2	0.2%
24	Portugal	2	0.2%
25	Serbia	2	0.2%
26	Montenegro	2	0.2%
27	Luxembourg	2	0.2%
28	Mongolia	1	0.1%
29	Poland	1	0.1%
30	Ukraine	1	0.1%
31	Hong Kong	1	0.1%
32	Lithuania	1	0.1%
33	Israel	1	0.1%