Rank	Countries/Territories	Count	Percent
1	United States	375	37.3%
2	China	225	22.4%
3	Germany	145	14.4%
4	Netherlands	62	6.2%
5	Russia	62	6.2%
6	Canada	24	2.4%
7	South Africa	13	1.3%
8	Singapore	10	1%
9	France	10	1%
10	Japan	10	1%
11	Korea, Republic of	9	0.9%
12	Bulgaria	9	0.9%
13	India	6	0.6%
14	Ireland	4	0.4%
15	Australia	4	0.4%
16	Nigeria	4	0.4%
17	Portugal	3	0.3%
18	Ukraine	3	0.3%
19	Brazil	3	0.3%
20	Mexico	3	0.3%
21	Lithuania	2	0.2%
22	Denmark	2	0.2%
23	Colombia	2	0.2%
24	United Kingdom	2	0.2%
25	Switzerland	2	0.2%
26	Poland	2	0.2%
27	Myanmar	2	0.2%
28	Saudi Arabia	2	0.2%
29	Qatar	1	0.1%
30	Spain	1	0.1%
31	Cyprus	1	0.1%
32	Mongolia	1	0.1%
33	Italy	1	0.1%