FDG-11059 Government Revenue page is missing 2015 data

src/layouts/explainer/sections/government-revenue/federal-revenue-trends-over-time/revenue-trends-line-chart/custom-tooltip/custom-tooltip.jsx

@@ -28,7 +28,7 @@ const CustomTooltip = (currentSlice, totalRevByYear) => {
   };
 
   const determineIfZeroNeeded = value => {
-    if (value.toString().split('.')[1].length < 2) {
+    if (value.toString().split('.')[1]?.length < 2) {
       return `${value}0`;
     }
     return value;

src/layouts/explainer/sections/government-revenue/federal-revenue-trends-over-time/revenue-trends-line-chart/revenue-trends-line-chart.jsx

@@ -60,7 +60,7 @@ const RevenueTrendsLineChart = ({ width, cpiDataByYear }) => {
   }, [isLoading]);
 
   useEffect(() => {
-    const endPointURL = 'v1/accounting/mts/mts_table_9?filter=record_type_cd:eq:RSG,record_calendar_month:eq:09&sort=-record_date';
+    const endPointURL = 'v1/accounting/mts/mts_table_9?filter=record_type_cd:eq:RSG,record_calendar_month:eq:09&page[size]=1000&sort=-record_date';
     basicFetch(`${apiPrefix}${endPointURL}`).then(res => {
       if (res.data) {
         setLastChartYear(res.data[0].record_fiscal_year);
@@ -303,7 +303,21 @@ const RevenueTrendsLineChart = ({ width, cpiDataByYear }) => {
                   tickSize: 6,
                   tickPadding: 5,
                   tickRotation: 0,
-                  tickValues: chartYears,
+                  tickValues: (() => {
+                    const start = 2016;
+                    const end = lastChartYear;
+                    const ticks = [];
+                    for (let y = start; y <= end; y += 2) {
+                      ticks.push(y);
+                    }
+                    const MAX_TICKS = 10;
+
+                    if (ticks.length <= MAX_TICKS) {
+                      return ticks;
+                    }
+                    const ratio = Math.ceil(ticks.length / MAX_TICKS);
+                    return ticks.filter((_, i) => i % ratio === 0);
+                  })(),
                 }}
                 axisLeft={{
                   format: formatCurrency,

src/layouts/explainer/sections/government-revenue/federal-revenue-trends-over-time/revenue-trends-over-time.spec.js

@@ -250,7 +250,7 @@ describe('revenue trends over time section', () => {
       { repeat: 1 }
     );
     fetchMock.get(
-      `https://www.transparency.treasury.gov/services/api/fiscal_service/v1/accounting/mts/mts_table_9?filter=record_type_cd:eq:RSG,record_calendar_month:eq:09&sort=-record_date`,
+      `https://www.transparency.treasury.gov/services/api/fiscal_service/v1/accounting/mts/mts_table_9?filter=record_type_cd:eq:RSG,record_calendar_month:eq:09&page[size]=1000&sort=-record_date`,
       mockDataChart,
       { overwriteRoutes: true },
       { repeat: 1 }

static/data/CPI/cpi_100.csv

@@ -100,3 +100,7 @@ year,period,value
 2019,09,256.759
 2020,09,260.280
 2021,09,274.310
+2022,09,296.421
+2023,09,307.374
+2024,09,314.851
+2025,09,324.368