Rank	Countries/Territories	Count	Percent
1	United States	342	46.5%
2	China	126	17.1%
3	Japan	48	6.5%
4	Germany	44	6%
5	United Kingdom	23	3.1%
6	India	15	2%
7	Singapore	15	2%
8	Russia	13	1.8%
9	Hong Kong	11	1.5%
10	Australia	10	1.4%
11	Canada	7	1%
12	France	7	1%
13	Korea, Republic of	7	1%
14	Netherlands	6	0.8%
15	Egypt	6	0.8%
16	Czech Republic	5	0.7%
17	Spain	5	0.7%
18	Greece	4	0.5%
19	Cyprus	3	0.4%
20	Ireland	3	0.4%
21	Taiwan	3	0.4%
22	Sweden	2	0.3%
23	Lithuania	2	0.3%
24	Indonesia	2	0.3%
25	Iran, Islamic Republic of	2	0.3%
26	Iraq	2	0.3%
27	New Zealand	2	0.3%
28	Norway	2	0.3%
29	Chile	2	0.3%
30	Denmark	2	0.3%
31	Finland	1	0.1%
32	Belgium	1	0.1%
33	Brazil	1	0.1%
34	Afghanistan	1	0.1%
35	Argentina	1	0.1%
36	Philippines	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%
39	Saudi Arabia	1	0.1%
40	South Africa	1	0.1%
41	Italy	1	0.1%
42	Switzerland	1	0.1%
43	Tanzania, United Republic of	1	0.1%
44	Tunisia	1	0.1%
45	Turkey	1	0.1%