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 193 42%
2 United States 179 38.9%
3 Germany 29 6.3%
4 Canada 20 4.3%
5 Singapore 11 2.4%
6 Kazakhstan 5 1.1%
7 United Kingdom 4 0.9%
8 New Zealand 4 0.9%
9 Hong Kong 3 0.7%
10 Peru 2 0.4%
11 Luxembourg 2 0.4%
12 Netherlands 1 0.2%
13 Korea, Republic of 1 0.2%
14 Russia 1 0.2%
15 Hungary 1 0.2%
16 India 1 0.2%
17 Japan 1 0.2%
18 Australia 1 0.2%
19 Cyprus 1 0.2%