Rank	Countries/Territories	Count	Percent
1	United States	317	43.5%
2	China	159	21.8%
3	Germany	47	6.5%
4	Saudi Arabia	30	4.1%
5	United Kingdom	20	2.7%
6	Canada	18	2.5%
7	France	16	2.2%
8	India	12	1.6%
9	Russia	10	1.4%
10	Singapore	9	1.2%
11	Australia	9	1.2%
12	Netherlands	7	1%
13	Japan	7	1%
14	Turkey	7	1%
15	Ukraine	6	0.8%
16	New Zealand	5	0.7%
17	Nigeria	4	0.5%
18	Romania	4	0.5%
19	Egypt	4	0.5%
20	Cyprus	4	0.5%
21	Iran, Islamic Republic of	3	0.4%
22	Thailand	3	0.4%
23	Italy	2	0.3%
24	Indonesia	2	0.3%
25	Greece	2	0.3%
26	Portugal	2	0.3%
27	Malaysia	2	0.3%
28	Slovakia	2	0.3%
29	Taiwan	2	0.3%
30	Serbia	2	0.3%
31	Slovenia	1	0.1%
32	Sweden	1	0.1%
33	Syrian Arab Republic	1	0.1%
34	Norway	1	0.1%
35	Philippines	1	0.1%
36	Hong Kong	1	0.1%
37	Iraq	1	0.1%
38	Dominican Republic	1	0.1%
39	Argentina	1	0.1%
40	Colombia	1	0.1%
41	Tunisia	1	0.1%