Rank	Countries/Territories	Count	Percent
1	United States	572	41.7%
2	China	491	35.8%
3	Germany	72	5.3%
4	Australia	30	2.2%
5	Canada	24	1.8%
6	Netherlands	20	1.5%
7	Korea, Republic of	18	1.3%
8	Slovenia	13	0.9%
9	France	12	0.9%
10	Japan	12	0.9%
11	United Kingdom	10	0.7%
12	Brazil	8	0.6%
13	Greece	7	0.5%
14	Hong Kong	6	0.4%
15	India	6	0.4%
16	Morocco	6	0.4%
17	Russia	5	0.4%
18	Ireland	5	0.4%
19	Israel	5	0.4%
20	Romania	4	0.3%
21	Sweden	4	0.3%
22	Norway	4	0.3%
23	Switzerland	3	0.2%
24	Taiwan	3	0.2%
25	Singapore	3	0.2%
26	Argentina	3	0.2%
27	Austria	3	0.2%
28	Cyprus	3	0.2%
29	Finland	2	0.1%
30	Indonesia	2	0.1%
31	Pakistan	2	0.1%
32	Macao	2	0.1%
33	Ukraine	2	0.1%
34	Spain	2	0.1%
35	Viet Nam	1	0.1%
36	Malaysia	1	0.1%
37	Mongolia	1	0.1%
38	Panama	1	0.1%
39	Saudi Arabia	1	0.1%
40	Tunisia	1	0.1%
41	Kyrgyzstan	1	0.1%