Rank	Countries/Territories	Count	Percent
1	United States	514	31.1%
2	China	489	29.6%
3	Italy	96	5.8%
4	Germany	90	5.4%
5	Japan	82	5%
6	Australia	54	3.3%
7	India	40	2.4%
8	Russia	26	1.6%
9	Canada	19	1.1%
10	Spain	17	1%
11	Singapore	16	1%
12	United Kingdom	16	1%
13	Netherlands	14	0.8%
14	Taiwan	13	0.8%
15	Romania	12	0.7%
16	Hong Kong	12	0.7%
17	France	10	0.6%
18	Norway	8	0.5%
19	Korea, Republic of	8	0.5%
20	Lithuania	7	0.4%
21	Peru	7	0.4%
22	Chile	7	0.4%
23	Viet Nam	7	0.4%
24	Cyprus	6	0.4%
25	Argentina	5	0.3%
26	Iran, Islamic Republic of	5	0.3%
27	Turkey	5	0.3%
28	United Arab Emirates	5	0.3%
29	Thailand	4	0.2%
30	Philippines	4	0.2%
31	Poland	4	0.2%
32	Brazil	4	0.2%
33	Czech Republic	4	0.2%
34	Egypt	3	0.2%
35	Pakistan	3	0.2%
36	Ireland	3	0.2%
37	Israel	3	0.2%
38	Switzerland	3	0.2%
39	Saudi Arabia	3	0.2%
40	Kazakhstan	2	0.1%
41	Sweden	2	0.1%
42	Tunisia	2	0.1%
43	Indonesia	2	0.1%
44	Malaysia	2	0.1%
45	Palestine, State of	2	0.1%
46	Portugal	2	0.1%
47	Croatia	2	0.1%
48	Belgium	1	0.1%
49	Denmark	1	0.1%
50	Iceland	1	0.1%
51	Greece	1	0.1%
52	Mauritius	1	0.1%
53	Mongolia	1	0.1%
54	Slovakia	1	0.1%
55	South Africa	1	0.1%
56	Serbia	1	0.1%