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 285 54.7%
2 United States 118 22.6%
3 Germany 35 6.7%
4 Hong Kong 27 5.2%
5 Canada 26 5%
6 Australia 8 1.5%
7 Japan 4 0.8%
8 Romania 4 0.8%
9 Singapore 4 0.8%
10 Taiwan 2 0.4%
11 Belgium 2 0.4%
12 Belarus 1 0.2%
13 Macao 1 0.2%
14 Moldova, Republic of 1 0.2%
15 Netherlands 1 0.2%
16 Turkey 1 0.2%
17 France 1 0.2%