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 319 70.4%
2 United States 75 16.6%
3 Germany 20 4.4%
4 Hong Kong 4 0.9%
5 Japan 4 0.9%
6 Korea, Republic of 4 0.9%
7 France 4 0.9%
8 Australia 4 0.9%
9 Macao 3 0.7%
10 Canada 2 0.4%
11 Uzbekistan 2 0.4%
12 Taiwan 2 0.4%
13 Mongolia 2 0.4%
14 New Zealand 2 0.4%
15 Poland 2 0.4%
16 Spain 1 0.2%
17 Netherlands 1 0.2%
18 United Kingdom 1 0.2%
19 Moldova, Republic of 1 0.2%