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 211 61.3%
2 United States 56 16.3%
3 Germany 29 8.4%
4 Hong Kong 11 3.2%
5 Taiwan 8 2.3%
6 Thailand 3 0.9%
7 Brazil 3 0.9%
8 Japan 3 0.9%
9 Korea, Republic of 3 0.9%
10 Macao 2 0.6%
11 Malaysia 2 0.6%
12 Moldova, Republic of 2 0.6%
13 Netherlands 2 0.6%
14 Singapore 2 0.6%
15 South Africa 2 0.6%
16 2 0.6%
17 Australia 2 0.6%
18 France 1 0.3%