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 292 65.6%
2 United States 58 13%
3 Germany 51 11.5%
4 Hong Kong 11 2.5%
5 Netherlands 9 2%
6 Singapore 8 1.8%
7 Malaysia 5 1.1%
8 Slovakia 3 0.7%
9 Canada 2 0.4%
10 Macao 2 0.4%
11 France 2 0.4%
12 Moldova, Republic of 1 0.2%
13 Romania 1 0.2%