Rank	Countries/Territories	Count	Percent
1	United States	480	40.1%
2	China	281	23.5%
3	Germany	80	6.7%
4	Netherlands	71	5.9%
5	Japan	48	4%
6	India	44	3.7%
7	France	31	2.6%
8		31	2.6%
9	Canada	21	1.8%
10	United Kingdom	14	1.2%
11	Singapore	11	0.9%
12	Thailand	8	0.7%
13	Switzerland	7	0.6%
14	Korea, Republic of	6	0.5%
15	Mexico	6	0.5%
16	Australia	6	0.5%
17	Cyprus	6	0.5%
18	Ireland	5	0.4%
19	Argentina	5	0.4%
20	Colombia	5	0.4%
21	Bulgaria	4	0.3%
22	Hong Kong	4	0.3%
23	Hungary	4	0.3%
24	Sweden	4	0.3%
25	Taiwan	3	0.3%
26	Mongolia	3	0.3%
27	Iran, Islamic Republic of	2	0.2%
28	Belgium	2	0.2%
29	Israel	1	0.1%
30	Norway	1	0.1%
31	Portugal	1	0.1%
32	Russia	1	0.1%
33	Spain	1	0.1%