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 161 71.2%
2 United States 27 11.9%
3 Taiwan 10 4.4%
4 France 5 2.2%
5 Korea, Republic of 5 2.2%
6 Malaysia 5 2.2%
7 Netherlands 3 1.3%
8 Russia 3 1.3%
9 Macao 3 1.3%
10 Hong Kong 2 0.9%
11 Japan 1 0.4%
12 Canada 1 0.4%