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 409 74.6%
2 United States 41 7.5%
3 Germany 28 5.1%
4 Taiwan 21 3.8%
5 Canada 10 1.8%
6 Russia 7 1.3%
7 Hong Kong 7 1.3%
8 Netherlands 5 0.9%
9 New Zealand 2 0.4%
10 Philippines 2 0.4%
11 Singapore 2 0.4%
12 United Kingdom 2 0.4%
13 Japan 2 0.4%
14 Korea, Republic of 2 0.4%
15 Malaysia 2 0.4%
16 France 2 0.4%
17 2 0.4%
18 Australia 1 0.2%
19 Switzerland 1 0.2%