Rank	Countries/Territories	Count	Percent
1	United States	213	33.9%
2	China	172	27.4%
3	Germany	84	13.4%
4	Spain	20	3.2%
5	India	17	2.7%
6	Netherlands	14	2.2%
7	Japan	13	2.1%
8	France	9	1.4%
9	Ireland	8	1.3%
10	Israel	7	1.1%
11	United Kingdom	7	1.1%
12	Singapore	6	1%
13	Russia	5	0.8%
14	Egypt	5	0.8%
15	Canada	4	0.6%
16	Hong Kong	4	0.6%
17	Taiwan	4	0.6%
18	Korea, Republic of	3	0.5%
19	Mexico	3	0.5%
20	Indonesia	3	0.5%
21	Iran, Islamic Republic of	3	0.5%
22	Afghanistan	3	0.5%
23	Australia	3	0.5%
24	Austria	3	0.5%
25	Iraq	2	0.3%
26	Kazakhstan	2	0.3%
27	Slovakia	2	0.3%
28	Saudi Arabia	1	0.2%
29	Uganda	1	0.2%
30	Pakistan	1	0.2%
31	Philippines	1	0.2%
32	Romania	1	0.2%
33	Bangladesh	1	0.2%
34	Colombia	1	0.2%
35	Cyprus	1	0.2%
36	Uzbekistan	1	0.2%