Rank	Countries/Territories	Count	Percent
1	United States	280	35.9%
2	China	178	22.8%
3	Germany	68	8.7%
4	Japan	57	7.3%
5	Ireland	47	6%
6	Russia	18	2.3%
7	Singapore	15	1.9%
8	Netherlands	13	1.7%
9	France	12	1.5%
10	Korea, Republic of	10	1.3%
11	Hong Kong	8	1%
12	India	7	0.9%
13	United Kingdom	7	0.9%
14	Iran, Islamic Republic of	6	0.8%
15	Canada	6	0.8%
16	Australia	5	0.6%
17	Brazil	5	0.6%
18	Iraq	5	0.6%
19	Lithuania	4	0.5%
20	Thailand	4	0.5%
21	Romania	4	0.5%
22	Portugal	3	0.4%
23	Spain	3	0.4%
24	Malaysia	3	0.4%
25	Colombia	2	0.3%
26	Cyprus	2	0.3%
27	Qatar	2	0.3%
28	Taiwan	2	0.3%
29	Uganda	1	0.1%
30	Sweden	1	0.1%
31	South Africa	1	0.1%
32	Hungary	1	0.1%
33	Philippines	1	0.1%