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 183 59.2%
2 United States 51 16.5%
3 Germany 41 13.3%
4 Netherlands 10 3.2%
5 France 4 1.3%
6 Russia 3 1%
7 Taiwan 3 1%
8 Turkmenistan 2 0.6%
9 Malaysia 2 0.6%
10 United Kingdom 2 0.6%
11 Hong Kong 2 0.6%
12 India 1 0.3%
13 New Zealand 1 0.3%
14 Bulgaria 1 0.3%
15 Canada 1 0.3%
16 Ukraine 1 0.3%
17 Singapore 1 0.3%