Rank	Countries/Territories	Count	Percent
1	United States	547	44%
2	China	262	21.1%
3	Germany	128	10.3%
4	France	48	3.9%
5	Japan	32	2.6%
6	Hong Kong	19	1.5%
7	Netherlands	16	1.3%
8	United Kingdom	15	1.2%
9	Spain	13	1%
10	Chile	13	1%
11	Cyprus	12	1%
12	New Zealand	12	1%
13	Switzerland	10	0.8%
14	India	10	0.8%
15	Canada	9	0.7%
16	Belgium	9	0.7%
17	Russia	8	0.6%
18	Singapore	8	0.6%
19	Australia	7	0.6%
20	Ukraine	7	0.6%
21	Romania	6	0.5%
22	Turkey	6	0.5%
23	Brazil	5	0.4%
24	Ireland	5	0.4%
25	Taiwan	4	0.3%
26	Kazakhstan	4	0.3%
27	Korea, Republic of	4	0.3%
28	Malaysia	4	0.3%
29	Pakistan	3	0.2%
30	Austria	3	0.2%
31	Argentina	3	0.2%
32	Colombia	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Slovenia	2	0.2%
35	Nepal	2	0.2%
36	Mongolia	1	0.1%
37	Luxembourg	1	0.1%
38	Thailand	1	0.1%
39	Italy	1	0.1%