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 151 45.9%
2 United States 59 17.9%
3 Germany 35 10.6%
4 Spain 19 5.8%
5 Italy 17 5.2%
6 Canada 9 2.7%
7 Ireland 8 2.4%
8 Netherlands 7 2.1%
9 Russia 5 1.5%
10 Taiwan 4 1.2%
11 India 4 1.2%
12 Hong Kong 2 0.6%
13 Brazil 2 0.6%
14 France 2 0.6%
15 Singapore 2 0.6%
16 Japan 2 0.6%
17 Norway 1 0.3%