Rank	Countries/Territories	Count	Percent
1	United States	457	52.8%
2	China	138	16%
3	Germany	71	8.2%
4	Canada	31	3.6%
5	India	22	2.5%
6	Ireland	16	1.8%
7	Japan	16	1.8%
8	Australia	16	1.8%
9	Netherlands	14	1.6%
10	France	12	1.4%
11	Taiwan	10	1.2%
12	United Kingdom	9	1%
13	Korea, Republic of	7	0.8%
14	Jordan	5	0.6%
15	Israel	5	0.6%
16	Nigeria	5	0.6%
17	Philippines	4	0.5%
18	Cyprus	4	0.5%
19	Algeria	4	0.5%
20	Mongolia	3	0.3%
21	Norway	2	0.2%
22	Turkey	2	0.2%
23	Italy	2	0.2%
24	Indonesia	1	0.1%
25	Malaysia	1	0.1%
26	Chile	1	0.1%
27	Georgia	1	0.1%
28	Romania	1	0.1%
29	Saudi Arabia	1	0.1%
30	Singapore	1	0.1%
31	Slovakia	1	0.1%
32	Sweden	1	0.1%
33	Switzerland	1	0.1%