                       data: revenueData.length > 0 ? 
                            revenueData.map(item => item.jobs || 0) : 
                            [0],
                        borderColor: '#3b82f6',
                        backgroundColor: 'rgba(59, 130, 246, 0.1)',
                        borderWidth: 3,
                        fill: false,
                        yAxisID: 'y1',
                        pointBackgroundColor: '#3b82f6',
                        pointBorderColor: '#ffffff',
           