Rank	Countries/Territories	Count	Percent
1	United States	363	36.9%
2	China	250	25.4%
3	Germany	90	9.2%
4	France	63	6.4%
5	Netherlands	48	4.9%
6	India	41	4.2%
7	Japan	36	3.7%
8	Canada	13	1.3%
9	Singapore	11	1.1%
10	Ukraine	9	0.9%
11	Egypt	6	0.6%
12	Ireland	6	0.6%
13		6	0.6%
14	Australia	5	0.5%
15	Norway	5	0.5%
16	Indonesia	4	0.4%
17	Iran, Islamic Republic of	3	0.3%
18	Korea, Republic of	2	0.2%
19	Latvia	2	0.2%
20	Bangladesh	2	0.2%
21	Croatia	2	0.2%
22	Nepal	2	0.2%
23	United Kingdom	2	0.2%
24	Sweden	2	0.2%
25	Viet Nam	2	0.2%
26	Tunisia	1	0.1%
27	Turkey	1	0.1%
28	Poland	1	0.1%
29	South Africa	1	0.1%
30	Cyprus	1	0.1%
31	Azerbaijan	1	0.1%
32	Argentina	1	0.1%
33	Mongolia	1	0.1%