BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 73 37.8%
2 United States 65 33.7%
3 Germany 18 9.3%
4 Netherlands 14 7.3%
5 Korea, Republic of 5 2.6%
6 Hong Kong 4 2.1%
7 Russia 3 1.6%
8 Singapore 3 1.6%
9 Taiwan 3 1.6%
10 Tajikistan 2 1%
11 Thailand 2 1%
12 Brazil 1 0.5%