Create Trigger to insert record for next nth years in SQL Server

Hello everyone,

I have crated a trigger which is working on table after insert.i want to insert any date of each month for next 5 years.but really i have no idea how to do this.

below the structure of my table and my trigger

ALTER TRIGGER [dbo].[Installment_INSERT]
       ON [dbo].[tbl_booked]
AFTER INSERT
AS
BEGIN
       SET NOCOUNT ON;
 
       DECLARE @AlloteeRegId nvarchar(2500)
       DECLARE @plotid int
       DECLARE @projectid int
       DECLARE @Installment float
       DECLARE @insstart int=60
       
       
 
       SELECT @AlloteeRegId = INSERTED.AlloteeRegNo FROM INSERTED;
       SELECT @plotid=INSERTED.plotid FROM INSERTED;
       SELECT @projectid=INSERTED.projectid FROM INSERTED;
       SELECT @Installment=inserted.Installment FROM INSERTED;
       
      
	   while(@insstart>0)
	   Begin
       INSERT INTO T_Installment( InstallmentAmount,  PayemntDate, plotid, projectid, AllooteeRegNo)
       VALUES(@Installment,GETDATE(),@plotid,@projectid,@AlloteeRegId )
       set @insstart=@insstart-1
       END
      
END



USE [dbelakshi]
GO

/****** Object:  Table [dbo].[T_Installment]    Script Date: 11/13/2016 21:44:54 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

SET ANSI_PADDING ON
GO

CREATE TABLE [dbo].[T_Installment](
	[InstallmentID] [bigint] IDENTITY(1,1) NOT NULL,
	[AllooteeRegNo] [nvarchar](250) NULL,
	[InstallmentAmount] [float] NULL,
	[PaymentStatus] [bit] NULL,
	[PayemntDate] [datetime] NULL,
	[plotid] [int] NULL,
	[projectid] [int] NULL,
	[sector] [varchar](50) NULL,
 CONSTRAINT [PK_T_Installment] PRIMARY KEY CLUSTERED 
(
	[InstallmentID] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO

ALTER TABLE [dbo].[T_Installment] ADD  CONSTRAINT [DF_T_Installment_PaymentStatus]  DEFAULT ((0)) FOR [PaymentStatus]
GO


USE [dbelakshi]
GO

/****** Object:  Table [dbo].[tbl_booked]    Script Date: 11/13/2016 21:45:04 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

SET ANSI_PADDING ON
GO

CREATE TABLE [dbo].[tbl_booked](
	[AlloteeId] [int] IDENTITY(1,1) NOT NULL,
	[AlloteeRegNo] [varchar](250) NULL,
	[AlloteeName] [varchar](250) NULL,
	[AlloteeGender] [varchar](50) NULL,
	[AlloteeFName] [varchar](250) NULL,
	[AlloteeMobileNo] [varchar](50) NULL,
	[AlloteeEmailId] [varchar](250) NULL,
	[AlloteeAddress] [varchar](max) NULL,
	[projectid] [int] NULL,
	[plotid] [int] NULL,
	[BookDate] [date] NULL,
	[BookedAmount] [float] NULL,
	[PlotTotalCost] [float] NULL,
	[Installment] [float] NULL,
	[Nominee] [varchar](250) NULL,
	[state] [varchar](50) NULL,
	[city] [nvarchar](50) NULL,
	[pincode] [varchar](50) NULL,
 CONSTRAINT [PK_tbl_booked] PRIMARY KEY CLUSTERED 
(
	[AlloteeId] ASC
)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

SET ANSI_PADDING OFF
GO

ALTER TABLE [dbo].[tbl_booked]  WITH CHECK ADD  CONSTRAINT [FK_tbl_booked_tblProjects] FOREIGN KEY([projectid])
REFERENCES [dbo].[tblProjects] ([projectid])
GO

ALTER TABLE [dbo].[tbl_booked] CHECK CONSTRAINT [FK_tbl_booked_tblProjects]
GO