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 194 77%
2 United States 21 8.3%
3 Germany 10 4%
4 Korea, Republic of 8 3.2%
5 Hong Kong 5 2%
6 Taiwan 4 1.6%
7 Malaysia 3 1.2%
8 Netherlands 2 0.8%
9 Singapore 2 0.8%
10 South Africa 1 0.4%
11 Senegal 1 0.4%
12 Macao 1 0.4%