Rank	Countries/Territories	Count	Percent
1	United States	207	30.8%
2	China	151	22.4%
3	Japan	51	7.6%
4	Germany	39	5.8%
5	Canada	22	3.3%
6	Netherlands	22	3.3%
7	Taiwan	16	2.4%
8	Sweden	14	2.1%
9	United Kingdom	13	1.9%
10	Korea, Republic of	12	1.8%
11	Turkey	11	1.6%
12	Australia	11	1.6%
13	Denmark	11	1.6%
14	Indonesia	10	1.5%
15	Belgium	10	1.5%
16	Singapore	10	1.5%
17	Switzerland	8	1.2%
18	Ukraine	7	1%
19	Ireland	6	0.9%
20	France	6	0.9%
21	India	6	0.9%
22	Brazil	5	0.7%
23	Cyprus	4	0.6%
24	Hong Kong	4	0.6%
25	Egypt	3	0.4%
26	Iran, Islamic Republic of	2	0.3%
27	Czech Republic	2	0.3%
28	Bangladesh	2	0.3%
29	Nigeria	2	0.3%
30	Philippines	2	0.3%
31	Romania	1	0.1%
32	Russia	1	0.1%
33	Mexico	1	0.1%
34	Argentina	1	0.1%