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 244 41.2%
2 United States 193 32.6%
3 Germany 41 6.9%
4 Japan 20 3.4%
5 Singapore 13 2.2%
6 Hong Kong 13 2.2%
7 Australia 11 1.9%
8 Netherlands 10 1.7%
9 Taiwan 9 1.5%
10 Canada 9 1.5%
11 United Kingdom 7 1.2%
12 Ireland 5 0.8%
13 Italy 4 0.7%
14 Puerto Rico 3 0.5%
15 Qatar 2 0.3%
16 New Zealand 2 0.3%
17 Malaysia 2 0.3%
18 Austria 2 0.3%
19 France 1 0.2%
20 Ukraine 1 0.2%