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 28 18.8%
2 United States 28 18.8%
3 Germany 21 14.1%
4 Netherlands 13 8.7%
5 Korea, Republic of 8 5.4%
6 Switzerland 6 4%
7 India 6 4%
8 Belarus 6 4%
9 France 5 3.4%
10 Japan 4 2.7%
11 Iraq 3 2%
12 Italy 3 2%
13 Turkey 3 2%
14 Morocco 3 2%
15 Russia 3 2%
16 Sweden 2 1.3%
17 Thailand 2 1.3%
18 Hong Kong 2 1.3%
19 Canada 2 1.3%
20 Ukraine 1 0.7%