Rank	Countries/Territories	Count	Percent
1	United States	613	43.4%
2	China	422	29.9%
3	Germany	142	10.1%
4	Japan	44	3.1%
5	Australia	34	2.4%
6	France	20	1.4%
7	Romania	17	1.2%
8	Canada	15	1.1%
9	Netherlands	12	0.9%
10	United Kingdom	11	0.8%
11	Ireland	10	0.7%
12	Cyprus	9	0.6%
13	India	7	0.5%
14	Argentina	6	0.4%
15	Singapore	6	0.4%
16	Ukraine	5	0.4%
17	Latvia	5	0.4%
18	Italy	4	0.3%
19	Russia	4	0.3%
20	Iran, Islamic Republic of	4	0.3%
21	Mongolia	3	0.2%
22	Mexico	2	0.1%
23	Turkey	2	0.1%
24	Spain	2	0.1%
25	Hungary	2	0.1%
26	Korea, Republic of	2	0.1%
27	Chile	2	0.1%
28	Bangladesh	1	0.1%
29	Bulgaria	1	0.1%
30	Israel	1	0.1%
31	Sri Lanka	1	0.1%
32	Lebanon	1	0.1%
33	Malaysia	1	0.1%