Rank	Countries/Territories	Count	Percent
1	United States	187	34.8%
2	China	121	22.5%
3	Germany	69	12.8%
4	India	31	5.8%
5	Canada	13	2.4%
6	Switzerland	12	2.2%
7	Turkey	10	1.9%
8	Netherlands	8	1.5%
9	Russia	8	1.5%
10	France	7	1.3%
11	Japan	7	1.3%
12	Australia	5	0.9%
13	Korea, Republic of	4	0.7%
14	Lithuania	4	0.7%
15	Spain	4	0.7%
16	Thailand	4	0.7%
17	Hong Kong	3	0.6%
18	Sweden	3	0.6%
19	Morocco	3	0.6%
20	Singapore	3	0.6%
21	Slovenia	3	0.6%
22	Brazil	3	0.6%
23	Cyprus	3	0.6%
24	Denmark	2	0.4%
25	Egypt	2	0.4%
26	Croatia	2	0.4%
27	Kenya	2	0.4%
28	Ireland	2	0.4%
29	Ghana	2	0.4%
30	South Africa	2	0.4%
31	Uzbekistan	2	0.4%
32	United Kingdom	2	0.4%
33	Greece	1	0.2%
34	Italy	1	0.2%
35	Algeria	1	0.2%
36	Austria	1	0.2%