This is a list of partisan breakdown for each Senate from First to Twenty-First as well as a breakdown of the Senators into right, centre, and left catagories.
First Senate
6 AFDNC
2 AFRNC
2 Progressive
6 Left
2 Centre
2 Right
Second Senate
4 UAC (-)
2 AFDNC (-4)
1 AFRNC (-1)
1 SRP (-)
1 AFIP (-)
1 UL (-)
0 Progressive (-2)
4 Centre
4 Left
2 Right
Third Senate
4 AFDNC (+2)
2 UAC (-2)
1 AFRNC (+0)
1 UL (+0)
1 AFIP (+0)
1 SRC (+0)
5 Left
3 Centre
2 Right
Fourth Senate
5 AFDNC (+1)
2 AFRNC (+1)
1 UL (+0)
1 SRP (+0)
1 UAC (-1)
0 AFIP (-1)
5 Left
2 Centre
3 Right
Fifth Senate
2 AFDNC (-3)
2 Ind (+2)
2 FP (-)
1 AFRNC (-1)
1 SRP (+0)
1 UL (+0)
1 FL (-)
4 Left
4 Centre
2 Right
Sixth Senate
3 CUP (-)
3 Ind (+1)
2 FP (+0)
1 ACA (-)
1 UL (+0)
0 FL (-1)
0 SRP (-1)
0 AFRNC (-1)
3 Left
4 Centre
3 Right
Seventh Senate
4 CUP (+1)
3 ACA (+2)
2 FP (+0)
1 Ind (-2)
0 UL (-1)
5 Centre
3 Right
2 Left
Eighth Senate
5 CUP (+1)
3 ACA (+0)
1 FP (-1)
1 Ind (+0)
5 Centre
3 Right
2 Left
Ninth Senate
3 CUP (-2)
3 ACA (+0)
2 ILP (-)
1 CDP (-)
1 Ind (+0)
3 Left
4 Centre
3 Right
Tenth Senate
3 Ind (+2)
3 ACA (+0)
2 CDP (+1)
1 CUP (-2)
1 ILP (-1)
4 Left
2 Centre
4 Right
Eleventh Senate
2 FDP (-)
2 CDP (+0)
2 Ind (-1)
1 SDP (-)
1 ILP (+0)
1 RR (-)
1 ACA (-2)
0 CUP (-1)
2 Left
4 Centre
4 Right
Twelfth Senate
2 FDP (+0)
2 ILP (+1)
2 CDP (+0)
1 SDP (+0)
1 PCP (-)
1 ACA (+0)
1 Ind (+0)
0 RR (-1)
4 Left
4 Centre
2 Right
Thirteenth Senate
3 CDP (+1)
2 SDP (+1)
2 ACA (+1)
1 AMRLP (-)
1 FDP (-1)
1 Ind (+0)
0 PCP (-1)
6 Left
2 Centre
2 Right
Fourteenth Senate
3 CDP (+0)
2 SDP (+0)
2 Ind (+1)
1 JCP (-)
1 ACA (-1)
1 AMRLP (+0)
0 FDP (-1)
6 Left
2 Centre
2 Right
Fifteenth Senate
3 CDP (+0)
3 SDP (+1)
2 Ind (+0)
1 ILP (-)
1 ACA (+0)
0 AMRLP (-1)
5 Left
3 Centre
2 Right
Sixteenth Senate
2 CDP (-1)
2 SDP (-1)
2 Ind (+0)
1 ILP (+0)
1 ACA (+0)
1 AMRLP (+1)
1 Rad (-)
5 Left
4 Centre
1 Right
Seventeenth Senate
2 ACA (+1)
2 SLA (-)
2 Rad (+1)
2 JCP (-)
2 Ind (+0)
0 AMRLP (-1)
0 ILP (-1)
0 SDP (-1)
4 Left
4 Centre
2 Right
Eighteenth Senate
2 JCP (+0)
2 Rad (+0)
2 Rep (-)
2 Ind (+0)
1 RPP (-)
1 SLA (-1)
0 ACA (-2)
3 Left
5 Centre
2 Right
Nineteenth Senate
3 Rep (+1)
2 JCP (-)
2 Ind (+0)
1 SLA (+0)
1 Rad (+0)
1 RPP (+0)
3 Left
3 Centre
4 Right
Twentieth Senate
3 Rep (+0)
2 SLA (+1)
2 JCP (+0)
1 PLP (-)
1 RPP (+0)
1 Ind (-1)
5 Left
1(0) Centre
4(5) Right
Twenty-First Senate
3 NLC (-)
2 SLA (+0)
2 JCP (+0)
1 LLP (-)
1 PLP (+0)
1 Ind (+0)
0 RPP (-1)
0 Rep (-3)
5 Left
3 Centre
2 Right
Twenty-Second Senate
3 NLC (+0)
2 PLP (+1)
2 JCP (+0)
1 LLP (+0)
2 Ind (+1)
0 SLA (-2)
5 Left
3 Centre
2 Right
Twenty-Third Senate
4 NLC (+1)
2 JCP (+0)
1 PLP (-1)
3 Ind (+1)
4 Left
4 Centre
2 Right
We should have a line graph showing the fluctuations in the number of those senators classified as being on the left, centre, or the right from the very first Senate to the most recent. Red would represent the Left; Blue for the Right; and light Green for the Centre.