Rank	Countries/Territories	Count	Percent
1	United States	389	35.5%
2	China	339	30.9%
3	Germany	77	7%
4	Italy	42	3.8%
5	France	39	3.6%
6	Netherlands	31	2.8%
7	Japan	30	2.7%
8	India	19	1.7%
9	United Kingdom	18	1.6%
10	Canada	16	1.5%
11	Hong Kong	12	1.1%
12	Singapore	12	1.1%
13	Switzerland	12	1.1%
14	Korea, Republic of	10	0.9%
15	Taiwan	7	0.6%
16	Jordan	7	0.6%
17	Iran, Islamic Republic of	6	0.5%
18	Ireland	5	0.5%
19	Cyprus	4	0.4%
20	Norway	4	0.4%
21	Turkey	3	0.3%
22	South Africa	2	0.2%
23	Russia	2	0.2%
24	Australia	2	0.2%
25	Luxembourg	2	0.2%
26	Moldova, Republic of	1	0.1%
27	Mongolia	1	0.1%
28	Bulgaria	1	0.1%
29	Colombia	1	0.1%
30	Ghana	1	0.1%
31	Ukraine	1	0.1%
32	Portugal	1	0.1%