Rank	Countries/Territories	Count	Percent
1	United States	531	43.6%
2	China	345	28.3%
3	Germany	87	7.1%
4	Canada	52	4.3%
5	France	30	2.5%
6	Japan	25	2.1%
7	Sweden	17	1.4%
8	Singapore	14	1.1%
9	Netherlands	13	1.1%
10	Pakistan	12	1%
11	Italy	10	0.8%
12	Taiwan	10	0.8%
13	India	8	0.7%
14	Cyprus	7	0.6%
15	Australia	6	0.5%
16	Hong Kong	6	0.5%
17	Russia	6	0.5%
18	Korea, Republic of	5	0.4%
19	Argentina	5	0.4%
20	Bulgaria	4	0.3%
21	Ukraine	4	0.3%
22	Brazil	3	0.2%
23	Guatemala	3	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Austria	2	0.2%
26	South Africa	2	0.2%
27	Lebanon	2	0.2%
28	Portugal	2	0.2%
29	Romania	2	0.2%
30	Mongolia	1	0.1%
31	Algeria	1	0.1%
32	Georgia	1	0.1%