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 154 37%
2 United States 131 31.5%
3 Germany 44 10.6%
4 Canada 19 4.6%
5 Netherlands 13 3.1%
6 Australia 10 2.4%
7 Hong Kong 9 2.2%
8 Singapore 7 1.7%
9 Malaysia 6 1.4%
10 Taiwan 4 1%
11 France 4 1%
12 Brazil 4 1%
13 Belgium 2 0.5%
14 Spain 2 0.5%
15 Russia 2 0.5%
16 United Kingdom 2 0.5%
17 Moldova, Republic of 1 0.2%
18 Ukraine 1 0.2%
19 Macao 1 0.2%