Rank	Countries/Territories	Count	Percent
1	United States	198	37.7%
2	China	116	22.1%
3	Germany	68	13%
4	Spain	24	4.6%
5	United Kingdom	16	3%
6	Korea, Republic of	13	2.5%
7	Japan	13	2.5%
8	Ireland	8	1.5%
9	France	8	1.5%
10	Russia	8	1.5%
11	Singapore	7	1.3%
12	India	7	1.3%
13	Ukraine	5	1%
14	Netherlands	4	0.8%
15	Cyprus	4	0.8%
16	Italy	3	0.6%
17	Indonesia	2	0.4%
18	Iran, Islamic Republic of	2	0.4%
19	Egypt	2	0.4%
20	Belarus	2	0.4%
21	Colombia	2	0.4%
22	Poland	2	0.4%
23	Qatar	1	0.2%
24	Saudi Arabia	1	0.2%
25	Pakistan	1	0.2%
26	Philippines	1	0.2%
27	Switzerland	1	0.2%
28	Turkey	1	0.2%
29	Croatia	1	0.2%
30	Argentina	1	0.2%
31	Australia	1	0.2%
32	Hong Kong	1	0.2%
33	Jordan	1	0.2%