Rank	Countries/Territories	Count	Percent
1	United States	167	34.6%
2	China	109	22.6%
3	Germany	84	17.4%
4	France	41	8.5%
5	Japan	15	3.1%
6	Korea, Republic of	9	1.9%
7	Hong Kong	6	1.2%
8	India	6	1.2%
9	Singapore	6	1.2%
10	Austria	5	1%
11	Cyprus	3	0.6%
12	Ireland	3	0.6%
13	Sweden	3	0.6%
14	Netherlands	3	0.6%
15	Norway	2	0.4%
16	Romania	2	0.4%
17	Russia	2	0.4%
18	Thailand	2	0.4%
19	Italy	2	0.4%
20	Malaysia	2	0.4%
21	Mexico	2	0.4%
22	Canada	2	0.4%
23	Indonesia	1	0.2%
24	Georgia	1	0.2%
25	Turkey	1	0.2%
26	Taiwan	1	0.2%
27	Saudi Arabia	1	0.2%
28	Argentina	1	0.2%