Rank	Countries/Territories	Count	Percent
1	United States	510	41%
2	China	427	34.4%
3	Germany	80	6.4%
4	Japan	69	5.6%
5	France	32	2.6%
6	Canada	12	1%
7	Hong Kong	12	1%
8	Netherlands	11	0.9%
9	Singapore	11	0.9%
10	Thailand	10	0.8%
11	Argentina	8	0.6%
12	Ireland	7	0.6%
13	Korea, Republic of	5	0.4%
14	Sweden	5	0.4%
15	Indonesia	5	0.4%
16	Viet Nam	5	0.4%
17	Russia	5	0.4%
18	Switzerland	4	0.3%
19	Australia	3	0.2%
20	Bulgaria	3	0.2%
21	Cyprus	3	0.2%
22	India	3	0.2%
23	Italy	2	0.2%
24	Portugal	2	0.2%
25	Malaysia	2	0.2%
26	Mongolia	1	0.1%
27	United Kingdom	1	0.1%
28	Lithuania	1	0.1%
29	New Zealand	1	0.1%
30	Nigeria	1	0.1%
31	Poland	1	0.1%
32	Denmark	1	0.1%