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 46%
2 United States 68 20.7%
3 Germany 31 9.5%
4 Canada 23 7%
5 France 19 5.8%
6 Ireland 8 2.4%
7 Netherlands 6 1.8%
8 Russia 6 1.8%
9 Singapore 2 0.6%
10 Poland 2 0.6%
11 Korea, Republic of 2 0.6%
12 Hong Kong 2 0.6%
13 India 2 0.6%
14 Australia 2 0.6%
15 Belgium 2 0.6%
16 North Macedonia 1 0.3%
17 Saudi Arabia 1 0.3%