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 United States 52 31.1%
2 Germany 38 22.8%
3 Netherlands 21 12.6%
4 Korea, Republic of 16 9.6%
5 China 15 9%
6 5 3%
7 Canada 4 2.4%
8 Japan 3 1.8%
9 Spain 2 1.2%
10 Indonesia 2 1.2%
11 Iraq 1 0.6%
12 India 1 0.6%
13 Ethiopia 1 0.6%
14 France 1 0.6%
15 Turkey 1 0.6%
16 Ukraine 1 0.6%
17 Malaysia 1 0.6%
18 Mauritius 1 0.6%
19 Norway 1 0.6%