Rank	Countries/Territories	Count	Percent
1	United States	627	47.4%
2	China	300	22.7%
3	Germany	126	9.5%
4	Japan	41	3.1%
5	Australia	33	2.5%
6	France	28	2.1%
7	India	22	1.7%
8	Netherlands	20	1.5%
9	Canada	14	1.1%
10	Turkey	10	0.8%
11	Russia	8	0.6%
12	Singapore	8	0.6%
13	Norway	7	0.5%
14	Lithuania	7	0.5%
15	Switzerland	7	0.5%
16		6	0.5%
17	Korea, Republic of	6	0.5%
18	Mexico	4	0.3%
19	United Kingdom	4	0.3%
20	Sweden	3	0.2%
21	Taiwan	3	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Philippines	3	0.2%
24	Latvia	3	0.2%
25	Hong Kong	3	0.2%
26	Brazil	3	0.2%
27	Cyprus	3	0.2%
28	Czech Republic	2	0.2%
29	Malaysia	2	0.2%
30	Italy	2	0.2%
31	Romania	2	0.2%
32	Spain	2	0.2%
33	Uganda	1	0.1%
34	Mongolia	1	0.1%
35	Thailand	1	0.1%
36	Tunisia	1	0.1%
37	Israel	1	0.1%
38	Portugal	1	0.1%
39	Argentina	1	0.1%
40	Bangladesh	1	0.1%
41	Greece	1	0.1%
42	Libya	1	0.1%