Rank	Countries/Territories	Count	Percent
1	United States	442	45.4%
2	China	240	24.6%
3	Germany	90	9.2%
4	France	48	4.9%
5	Japan	18	1.8%
6	Ireland	16	1.6%
7	Netherlands	16	1.6%
8	Ukraine	13	1.3%
9	Singapore	11	1.1%
10	Canada	10	1%
11	Cyprus	9	0.9%
12	Sweden	9	0.9%
13	Croatia	7	0.7%
14	Australia	6	0.6%
15	Iran, Islamic Republic of	6	0.6%
16	Korea, Republic of	6	0.6%
17	Mexico	3	0.3%
18	Argentina	3	0.3%
19	Brazil	2	0.2%
20	Egypt	2	0.2%
21	Taiwan	2	0.2%
22	United Kingdom	2	0.2%
23	Romania	2	0.2%
24	Spain	1	0.1%
25	Mongolia	1	0.1%
26	Nepal	1	0.1%
27	New Zealand	1	0.1%
28	Poland	1	0.1%
29	Italy	1	0.1%
30	India	1	0.1%
31	Ecuador	1	0.1%
32	Georgia	1	0.1%
33	Chile	1	0.1%
34	Colombia	1	0.1%