redo the way we do padding to be much more accurate

main.py

@@ -2,7 +2,7 @@
 from flask import Flask, render_template, request, redirect, url_for, Response, jsonify
 from calc import calculate_savings_depletion
 from db import init_db, get_finance_data, update_finance, get_budget_data, insert_cset, get_comp_set_data, get_comp_set_options
-from collections import defaultdict
+from collections import defaultdict, Counter
 from datetime import datetime
 import csv
 import io
@@ -80,7 +80,22 @@ def index():
     DISP.append(r)
 
     now=datetime.today().strftime('%Y-%m-%d')
-    return render_template('index.html', now=now, finance=finance_data, depletion_date=depletion_date, savings=savings_per_fortnight, BUDGET=BUDGET, COMP=COMP, DISP=DISP)
+
+    # Extract years from the date strings
+    years = [datetime.strptime(date, "%Y-%m-%d").year for date, _ in savings_per_fortnight]
+
+    # Count how many times each year appears
+    year_counts = Counter(years)
+    # Sort the items by year
+    sorted_years = sorted(year_counts.items())  # List of (year, count) tuples
+
+    # Access the first and second years
+    first_yr, first_count = sorted_years[0]
+    second_yr, second_count = sorted_years[1]
+
+    # now work out how much padding we need in the first year to align the last dates for all years
+    padding=second_count - first_count
+    return render_template('index.html', now=now, first_yr=first_yr, padding=padding, finance=finance_data, depletion_date=depletion_date, savings=savings_per_fortnight, BUDGET=BUDGET, COMP=COMP, DISP=DISP)
 
 @app.route('/save', methods=['POST'])
 def save():