Rank	Countries/Territories	Count	Percent
1	United States	280	42.4%
2	China	141	21.3%
3	Germany	67	10.1%
4	Japan	17	2.6%
5	Netherlands	15	2.3%
6	Australia	14	2.1%
7	India	12	1.8%
8	United Kingdom	12	1.8%
9	Singapore	9	1.4%
10	Turkey	8	1.2%
11	Korea, Republic of	7	1.1%
12	Canada	7	1.1%
13		6	0.9%
14	Indonesia	6	0.9%
15	Iran, Islamic Republic of	6	0.9%
16	Myanmar	6	0.9%
17	Syrian Arab Republic	5	0.8%
18	France	5	0.8%
19	Greece	4	0.6%
20	Taiwan	4	0.6%
21	Switzerland	4	0.6%
22	Sri Lanka	3	0.5%
23	Hong Kong	3	0.5%
24	Cyprus	3	0.5%
25	Egypt	2	0.3%
26	Bulgaria	2	0.3%
27	Spain	2	0.3%
28	Poland	2	0.3%
29	Romania	1	0.2%
30	South Africa	1	0.2%
31	Norway	1	0.2%
32	Pakistan	1	0.2%
33	Philippines	1	0.2%
34	Sweden	1	0.2%
35	Bangladesh	1	0.2%
36	Mexico	1	0.2%
37	Kazakhstan	1	0.2%