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 262 56%
2 United States 116 24.8%
3 Germany 28 6%
4 Canada 17 3.6%
5 Malaysia 6 1.3%
6 Netherlands 3 0.6%
7 Russia 3 0.6%
8 Singapore 3 0.6%
9 Australia 3 0.6%
10 Hong Kong 3 0.6%
11 Japan 3 0.6%
12 Latvia 3 0.6%
13 Taiwan 3 0.6%
14 Macao 2 0.4%
15 Austria 2 0.4%
16 Belgium 2 0.4%
17 Portugal 2 0.4%
18 Denmark 2 0.4%
19 France 2 0.4%
20 Spain 1 0.2%
21 Sweden 1 0.2%
22 Chile 1 0.2%