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 225 62.7%
2 United States 66 18.4%
3 Germany 17 4.7%
4 France 14 3.9%
5 Malaysia 11 3.1%
6 India 5 1.4%
7 Philippines 3 0.8%
8 Russia 2 0.6%
9 Switzerland 2 0.6%
10 Taiwan 2 0.6%
11 Turkey 2 0.6%
12 United Kingdom 2 0.6%
13 Netherlands 2 0.6%
14 Ireland 2 0.6%
15 Hong Kong 2 0.6%
16 Macao 1 0.3%
17 Moldova, Republic of 1 0.3%