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 75 46.9%
2 United States 40 25%
3 Netherlands 11 6.9%
4 France 7 4.4%
5 Taiwan 6 3.8%
6 Germany 5 3.1%
7 Russia 4 2.5%
8 Japan 3 1.9%
9 Hong Kong 2 1.2%
10 Switzerland 2 1.2%
11 Turkey 2 1.2%
12 India 1 0.6%
13 Moldova, Republic of 1 0.6%
14 New Zealand 1 0.6%