Table:
text: List of busiest railway stations in Great Britain
List of busiest railway stations in Great Britain
List of busiest railway stations in Great Britain
Rank_ Railway_Station Annual_entry_exit_millions_2011_12 Annual_interchanges_millions_2011_12 Total_Passengers_millions_2011_12 Location_ Number_of_Platforms
1 London Waterloo 94.046 9.489 103.534 London 19
2 London Victoria 76.231 9.157 85.38 London 19
3 London Bridge 52.634 8.742 61.376 London 12
4 London Liverpool Street 57.107 2.353 59.460 London 18
5 Clapham Junction 21.918 21.610 43.528 London 17
6 London Euston 36.609 3.832 40.440 London 18
7 London Charing Cross 38.005 1.990 39.995 London 6
8 London Paddington 33.737 2.678 36.414 London 14
9 Birmingham New Street 31.214 5.118 36.331 Birmingham 13
10 London King`s Cross 27.875 3.022 30.896 London 12
11 Glasgow Central 26.639 3.018 29.658 Glasgow 17
12 Leeds 25.020 2.639 27.659 Leeds 17

text: List of busiest railway stations in Great Britain
List of busiest railway stations in Great Britain
List of busiest railway stations in Great Britain
Rank_ Railway_Station Annual_entry_exit_millions_2011_12 Annual_interchanges_millions_2011_12 Total_Passengers_millions_2011_12 Location_ Number_of_Platforms
26 London Marylebone 14.410 0.439 14.849 London 6
27 Liverpool Central 14.209 0.412 14.622 Liverpool 3
28 Liverpool Lime Street 13.835 0.778 14.613 Liverpool 10
29 London Blackfriars 12.79 1.059 13.850 London 4
30 Highbury and Islington 11.801 1.971 13.772 London 8

text: List of busiest railway stations in Great Britain
List of busiest railway stations in Great Britain
List of busiest railway stations in Great Britain
Rank_ Railway_Station Annual_entry_exit_millions_2011_12 Annual_interchanges_millions_2011_12 Total_Passengers_millions_2011_12 Location_ Number_of_Platforms
13 East Croydon 20.551 6.341 26.892 London 6
14 London St Pancras 22.996 3.676 26.672 London 15
15 Stratford 21.797 2.064 23.862 London 15
16 Edinburgh Waverley 22.585 1.143 23.728 Edinburgh 18
17 Glasgow Queen Street 20.930 1.560 22.489 Glasgow 9
18 Manchester Piccadilly 18.585 3.796 22.381 Manchester 14
19 London Cannon Street 20.152 0.441 20.593 London 7
20 Wimbledon 18.246 1.591 19.836 London 10
21 Reading 15.276 3.794 19.070 Reading 15
22 Vauxhall 18.158 0.000 18.158 London 8
23 Brighton 16.051 1.859 17.910 Brighton 8
24 London Fenchurch Street 17.021 0.345 17.366 London 4
25 Gatwick Airport 14.758 1.115 15.873 Gatwick Airport 6

Question: Taking the list of the busiest train stations in the UK, what is the average annual exchange for a rank over 26 in Liverpool with an annual inbound/outbound of less than 14,209 and more than 10 platforms?