Rank	Countries/Territories	Count	Percent
1	United States	554	43.9%
2	China	331	26.2%
3	Germany	111	8.8%
4	Japan	39	3.1%
5	Algeria	33	2.6%
6	France	22	1.7%
7	India	18	1.4%
8	Canada	16	1.3%
9	Sri Lanka	13	1%
10	United Kingdom	12	1%
11	Netherlands	9	0.7%
12	Hong Kong	9	0.7%
13	Sweden	8	0.6%
14	Switzerland	7	0.6%
15	Korea, Republic of	7	0.6%
16	Ireland	6	0.5%
17	Singapore	6	0.5%
18	Australia	5	0.4%
19	Egypt	5	0.4%
20	Cyprus	4	0.3%
21	Thailand	4	0.3%
22	Turkey	4	0.3%
23	Ukraine	3	0.2%
24	South Africa	3	0.2%
25	Russia	3	0.2%
26	Mongolia	3	0.2%
27	Italy	2	0.2%
28	Latvia	2	0.2%
29	Malaysia	2	0.2%
30	Romania	2	0.2%
31	Tunisia	2	0.2%
32	Czech Republic	2	0.2%
33	Brazil	2	0.2%
34	Argentina	2	0.2%
35	Greece	2	0.2%
36	Indonesia	2	0.2%
37	Iran, Islamic Republic of	2	0.2%
38	Spain	2	0.2%
39	Iraq	1	0.1%
40	Bangladesh	1	0.1%
41	Norway	1	0.1%
42	Mexico	1	0.1%