Rank	Countries/Territories	Count	Percent
1	United States	244	39.5%
2	China	126	20.4%
3	Germany	105	17%
4	India	18	2.9%
5	Ireland	15	2.4%
6	Japan	13	2.1%
7	Singapore	11	1.8%
8	Canada	9	1.5%
9	Korea, Republic of	7	1.1%
10	United Kingdom	6	1%
11	Indonesia	5	0.8%
12	Albania	5	0.8%
13	Australia	5	0.8%
14	Cyprus	4	0.6%
15	Switzerland	4	0.6%
16	Thailand	3	0.5%
17	Hong Kong	3	0.5%
18	Netherlands	3	0.5%
19	Russia	3	0.5%
20	Saudi Arabia	3	0.5%
21	Israel	3	0.5%
22	Latvia	2	0.3%
23	Czech Republic	2	0.3%
24	Chile	2	0.3%
25	Philippines	2	0.3%
26	Portugal	2	0.3%
27	Sweden	2	0.3%
28	Taiwan	2	0.3%
29	Tanzania, United Republic of	2	0.3%
30	Viet Nam	2	0.3%
31	Virgin Islands, British	2	0.3%
32	South Africa	1	0.2%
33	Denmark	1	0.2%
34	Greece	1	0.2%