BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 222 50.6%
2 United States 86 19.6%
3 Germany 42 9.6%
4 Netherlands 30 6.8%
5 Hong Kong 19 4.3%
6 Canada 8 1.8%
7 Macao 7 1.6%
8 Taiwan 7 1.6%
9 Russia 6 1.4%
10 Singapore 4 0.9%
11 Japan 3 0.7%
12 Australia 2 0.5%
13 Malaysia 1 0.2%
14 Korea, Republic of 1 0.2%
15 Viet Nam 1 0.2%