Rank	Countries/Territories	Count	Percent
1	United States	374	42.8%
2	China	230	26.3%
3	Germany	73	8.4%
4	Canada	29	3.3%
5	Japan	26	3%
6	Taiwan	21	2.4%
7	Netherlands	19	2.2%
8	United Kingdom	12	1.4%
9	Spain	11	1.3%
10	Norway	11	1.3%
11	India	10	1.1%
12	France	7	0.8%
13	Ireland	6	0.7%
14	Australia	6	0.7%
15	Italy	4	0.5%
16	Korea, Republic of	4	0.5%
17	Switzerland	3	0.3%
18	Pakistan	3	0.3%
19	Cyprus	3	0.3%
20	Hong Kong	2	0.2%
21	Brazil	2	0.2%
22	Portugal	2	0.2%
23	Saudi Arabia	2	0.2%
24	Singapore	2	0.2%
25	South Africa	2	0.2%
26	Indonesia	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Belgium	1	0.1%
29	Czech Republic	1	0.1%
30	Thailand	1	0.1%
31	Malaysia	1	0.1%
32	Sri Lanka	1	0.1%