Table 1 Datasets converted (see Fig. 3)

Den Haag⁽¹⁾

23 MB

18 MB

2

Material

3.1 MB

2.9 MB

6.2

Montréal⁽²⁾

56 MB

42 MB

2

Yes

5.7 MB

5.4 MB

7.8

New York⁽³⁾

590 MB

574 MB

2

No

110 MB

105 MB

5.5

Railway⁽⁴⁾

45 MB

34 MB

3

Yes

4.5 MB

4.3 MB

8.1

Vienna⁽⁵⁾

37 MB

36 MB

2

No

5.6 MB

5.3 MB

6.8

Zürich⁽⁶⁾

435 MB

423 MB

1

No

127 MB

100 MB

4.4