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 206 53.5%
2 United States 82 21.3%
3 Germany 32 8.3%
4 France 20 5.2%
5 Netherlands 14 3.6%
6 Canada 6 1.6%
7 India 4 1%
8 Moldova, Republic of 4 1%
9 Russia 3 0.8%
10 Philippines 2 0.5%
11 Taiwan 2 0.5%
12 Japan 2 0.5%
13 Malaysia 2 0.5%
14 Hong Kong 2 0.5%
15 Brazil 1 0.3%
16 Turkey 1 0.3%
17 Singapore 1 0.3%
18 Switzerland 1 0.3%