Rank	Countries/Territories	Count	Percent
1	United States	448	41.3%
2	China	252	23.2%
3	Germany	140	12.9%
4	Netherlands	24	2.2%
5	United Kingdom	23	2.1%
6	Japan	22	2%
7	Australia	22	2%
8	Ukraine	19	1.8%
9		18	1.7%
10	India	16	1.5%
11	Denmark	15	1.4%
12	Canada	12	1.1%
13	France	11	1%
14	Spain	8	0.7%
15	Italy	7	0.6%
16	Algeria	6	0.6%
17	Cyprus	4	0.4%
18	Austria	4	0.4%
19	Iran, Islamic Republic of	4	0.4%
20	Kenya	4	0.4%
21	Belgium	3	0.3%
22	Argentina	3	0.3%
23	Israel	2	0.2%
24	Mauritius	2	0.2%
25	Portugal	2	0.2%
26	Singapore	2	0.2%
27	Taiwan	2	0.2%
28	Slovakia	1	0.1%
29	South Africa	1	0.1%
30	Switzerland	1	0.1%
31	Romania	1	0.1%
32	Russia	1	0.1%
33	Mongolia	1	0.1%
34	Indonesia	1	0.1%
35	Brunei Darussalam	1	0.1%
36	Bulgaria	1	0.1%