Rank	Countries/Territories	Count	Percent
1	United States	337	44.1%
2	China	147	19.2%
3	Germany	96	12.6%
4	France	27	3.5%
5	Canada	22	2.9%
6	Norway	19	2.5%
7	India	15	2%
8	Singapore	12	1.6%
9	Ireland	11	1.4%
10	Switzerland	10	1.3%
11	Netherlands	9	1.2%
12	Spain	7	0.9%
13	Hong Kong	7	0.9%
14	Japan	6	0.8%
15	Czech Republic	5	0.7%
16	Turkey	5	0.7%
17	United Kingdom	4	0.5%
18	Malaysia	3	0.4%
19	Indonesia	3	0.4%
20	Korea, Republic of	2	0.3%
21	Italy	2	0.3%
22	Cyprus	2	0.3%
23	Australia	2	0.3%
24	Mexico	2	0.3%
25	Romania	2	0.3%
26	Taiwan	2	0.3%
27	Thailand	1	0.1%
28	Mongolia	1	0.1%
29	Ukraine	1	0.1%
30	Brazil	1	0.1%
31	Argentina	1	0.1%