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 416 52.9%
2 United States 190 24.2%
3 Germany 52 6.6%
4 Netherlands 52 6.6%
5 Russia 28 3.6%
6 Ireland 8 1%
7 Canada 8 1%
8 France 6 0.8%
9 Hong Kong 4 0.5%
10 India 4 0.5%
11 Norway 4 0.5%
12 Singapore 3 0.4%
13 Turkey 2 0.3%
14 Japan 2 0.3%
15 United Kingdom 2 0.3%
16 Ukraine 1 0.1%
17 Thailand 1 0.1%
18 Poland 1 0.1%
19 Israel 1 0.1%
20 Australia 1 0.1%